By Wallace Witkowski and Sue Chang, MarketWatch
Microsoft, Caterpillar top S&P 500 and Dow 30 losers
SAN FRANCISCO (MarketWatch) -- Apple Inc. shares are firmly in the cross hairs for Tuesday's extended session as the largest U.S. company by stock-market value reports its quarterly earnings.

By Wallace Witkowski and Sue Chang, MarketWatch United Technologies shares slip on outlook
SAN FRANCISCO (MarketWatch) -- Adobe Systems Inc. shares rallied in the extended session Thursday after the software company topped Wall Street expectations for the quarter and agreed to buy stock-photo company Fotolia.

By Wallace Witkowski and Sue Chang, MarketWatch
Most-shorted S&P 500 stock GameStop also day's best performer
SAN FRANCISCO (MarketWatch)--Adobe Systems Inc. shares rose in the extended session Wednesday after the software company announced a new share buyback program.

By Wallace Witkowski and Sue Chang, MarketWatch
McDonald's shares rise on new CEO announcement
SAN FRANCISCO (MarketWatch) -- Shares of Facebook Inc. declined in the extended session Wednesday following earnings, while shares of Qualcomm Inc. dropped on a poor outlook.

By Wallace Witkowski and Sue Chang, MarketWatch
Disney sets intraday high record
SAN FRANCISCO (MarketWatch)--Keurig Green Mountain Inc. and Yum Brands Inc. are among the stocks in focus during Wednesday's extended session as the companies report quarterly results.